Alienware teases the return of its 18-inch gaming laptop

Even the largest-screen modern laptops are lighter and smaller than their predecessors—check out our best picks right here. The Alienware 18 series was quite the opposite. The M18x R2 with its 18.4-inch screen weighed 12.6 pounds—its power brick alone was 2.4 pounds—and came with an incredibly bulky chassis, making it...